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Q.1 9/3
Author:
Keung
GeoGebra
New Resources
平行線的判定
龙形曲线-分形龙2
异形操场
斐波那契螺旋弧线(表格法-可动态调节)
湖南省中职数学教师省培(GeoGebra培训案例)
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Volume_Section
謝爾賓斯基三角形(Sierpinsky)
一元二次不等式
BkD_act15_04c
两角和的正弦公式几何证明(改进)
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Volume
Solids or 3D Shapes
Trigonometry
General Quadrilateral
Straight Lines